A293596 - cp's OEIS frontend

A293596 The number of vertices on successive convex layers of the positive quadrant of the two-dimensional integer grid.

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	4
7	3
8	4
9	6
10	6
11	5
12	4
13	6
14	6
15	8
16	7
17	6
18	6
19	6
20	8
21	9
22	10
23	10
24	8
25	8
26	7
27	8
28	10
29	10
30	12
31	13
32	12
33	12
34	10
35	10
36	9
37	10
38	12
39	12
40	14
41	13
42	14
43	14
44	14
45	12
46	12
47	9
48	10
49	14
50	14
51	16
52	16
53	17
54	16
55	18
56	16
57	16
58	14
59	13
60	10
61	14
62	14
63	14
64	18
65	18
66	19
67	18
68	20
69	18
70	16
71	18

[1, 2, 2, 3, 4, 4, 3, 4, 6, 6, 5, 4, 6, 6, 8, 7, 6, 6, 6, 8, 9, 10, 10, 8, 8, 7, 8, 10, 10, 12, 13, 12, 12, 10, 10, 9, 10, 12, 12, 14, 13, 14, 14, 14, 12, 12, 9, 10, 14, 14, 16, 16, 17, 16, 18, 16, 16, 14, 13, 10, 14, 14, 14, 18, 18, 19, 18, 20, 18, 16, 18]

cp's OEIS Frontend

A293596 The number of vertices on successive convex layers of the positive quadrant of the two-dimensional integer grid.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	4
7	3
8	4
9	6
10	6
11	5
12	4
13	6
14	6
15	8
16	7
17	6
18	6
19	6
20	8
21	9
22	10
23	10
24	8
25	8
26	7
27	8
28	10
29	10
30	12
31	13
32	12
33	12
34	10
35	10
36	9
37	10
38	12
39	12
40	14
41	13
42	14
43	14
44	14
45	12
46	12
47	9
48	10
49	14
50	14
51	16
52	16
53	17
54	16
55	18
56	16
57	16
58	14
59	13
60	10
61	14
62	14
63	14
64	18
65	18
66	19
67	18
68	20
69	18
70	16
71	18

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	4
7	3
8	4
9	6
10	6
11	5
12	4
13	6
14	6
15	8
16	7
17	6
18	6
19	6
20	8
21	9
22	10
23	10
24	8
25	8
26	7
27	8
28	10
29	10
30	12
31	13
32	12
33	12
34	10
35	10
36	9
37	10
38	12
39	12
40	14
41	13
42	14
43	14
44	14
45	12
46	12
47	9
48	10
49	14
50	14
51	16
52	16
53	17
54	16
55	18
56	16
57	16
58	14
59	13
60	10
61	14
62	14
63	14
64	18
65	18
66	19
67	18
68	20
69	18
70	16
71	18

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	4
7	3
8	4
9	6
10	6
11	5
12	4
13	6
14	6
15	8
16	7
17	6
18	6
19	6
20	8
21	9
22	10
23	10
24	8
25	8
26	7
27	8
28	10
29	10
30	12
31	13
32	12
33	12
34	10
35	10
36	9
37	10
38	12
39	12
40	14
41	13
42	14
43	14
44	14
45	12
46	12
47	9
48	10
49	14
50	14
51	16
52	16
53	17
54	16
55	18
56	16
57	16
58	14
59	13
60	10
61	14
62	14
63	14
64	18
65	18
66	19
67	18
68	20
69	18
70	16
71	18